Melange http://www.out.com/sites/out.com/files/imagecache/slide-image-white/4-Wang.jpg 28058

$225, by T by Alexander Wang, at Ssense.com

Cozy cotton terry and a two-toned knit brings an understated sexiness to Alexander Wang's sweats. The solid cuffs, waistband frame, and contrasting black trimmings will complement a simple T-shirt perfectly.

Blue http://www.out.com/sites/out.com/files/imagecache/slide-image-white/3-Topman.jpg 28057

$44, by Topman, at Nordstrom.com

Cobalt blue will inject even the laziest lounge-around outfit with a splash of energy.

Classic http://www.out.com/sites/out.com/files/imagecache/slide-image-white/2-ClubMonaco.jpg 28056

$89.50, by Club Monaco, at ClubMonaco.com

Sometimes you want to mosey around without any fuss. These Club Monaco sweats will do just that. The heather grey color, paired with a slightly marled texture, keeps the pants exactly as they should be: a great basic.

Quilted http://www.out.com/sites/out.com/files/imagecache/slide-image-white/1-BOS.jpg 28055

$450, by Band of Outsiders, at Ssense.com

The quilted pattern elevates the sweats from loungewear to fashion statement. You can always expect on-point style from Band of Outsiders, but that sometimes come with a hefty price tag.

Leather http://www.out.com/sites/out.com/files/imagecache/slide-image-white/5-Versace.jpg 28059

$2,753, by Versace, at MatchesFashion.com

So you want to be as stylish as Kanye? Fine, but you also need the bank account to match. The most daring take on the sweatpant trend comes from Versace in a loose-fitting black leather. Put it on your Christmas wish list, you never know.

$225, by T by Alexander Wang, at Ssense.com

Cozy cotton terry and a two-toned knit brings an understated sexiness to Alexander Wang's sweats. The solid cuffs, waistband frame, and contrasting black trimmings will complement a simple T-shirt perfectly.